Four. Excavation and Impact Ejecta Emplacement

  1. Gordon R. Osinski2 and
  2. Elisabetta Pierazzo3
  1. Gordon R. Osinski2,
  2. Richard A. F. Grieve1,2 and
  3. Livio L. Tornabene2

Published Online: 25 OCT 2012

DOI: 10.1002/9781118447307.ch4

Impact Cratering: Processes and Products

Impact Cratering: Processes and Products

How to Cite

Osinski, G. R., Grieve, R. A. F. and Tornabene, L. L. (2012) Excavation and Impact Ejecta Emplacement, in Impact Cratering: Processes and Products (eds G. R. Osinski and E. Pierazzo), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118447307.ch4

Editor Information

  1. 2

    Departments of Earth Sciences/Physics and Astronomy, Western University, 1151 Richmond Street, London, ON, N6A 5B7, Canada

  2. 3

    Planetary Science Institute, 1700 E. Fort Lowell Road, Suite 106, Tucson, AZ 85719, USA

Author Information

  1. 1

    Earth Sciences Sector, Natural Resources Canada, Ottawa, Ontario, K1A 0E8, Canada

  2. 2

    Departments of Earth Sciences/Physics and Astronomy, Western University, 1151 Richmond Street, London, ON, N6A 5B7, Canada

Publication History

  1. Published Online: 25 OCT 2012
  2. Published Print: 30 NOV 2012

ISBN Information

Print ISBN: 9781405198295

Online ISBN: 9781118447307

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Keywords:

  • excavation and impact ejecta emplacement, and rayed craters;
  • excavation stage of crater formation, bowl-shaped cavity;
  • excavation, hemispherical shock wave into target sequence;
  • initial contact/compression into excavation as continuum;
  • layering/pre-existing structures in target, on flow-field excavation;
  • Barringer Crater, Arizona, interthrust wedge formation;
  • plume impact for distal ejecta deposits;
  • fresh impact craters on terrestrial, and ‘continuous ejecta blanket’;
  • target lithology on continuous ejecta deposits;
  • distal ejecta and Chicxulub, global wildfire model re-evaluation

Summary

This chapter contains sections titled:

  • Introduction

  • Excavation

  • Impact plume

  • Generation of continuous ejecta blankets

  • Rayed craters

  • Generation of multiple ejecta layers

  • Distal impact ejecta

  • Depth of excavation

  • References